/*=====================================================================*
 *                   Copyright (C) 2011 Paul Mineiro                   *
 * All rights reserved.                                                *
 *                                                                     *
 * Redistribution and use in source and binary forms, with             *
 * or without modification, are permitted provided that the            *
 * following conditions are met:                                       *
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 *     * Redistributions of source code must retain the                *
 *     above copyright notice, this list of conditions and             *
 *     the following disclaimer.                                       *
 *                                                                     *
 *     * Redistributions in binary form must reproduce the             *
 *     above copyright notice, this list of conditions and             *
 *     the following disclaimer in the documentation and/or            *
 *     other materials provided with the distribution.                 *
 *                                                                     *
 *     * Neither the name of Paul Mineiro nor the names                *
 *     of other contributors may be used to endorse or promote         *
 *     products derived from this software without specific            *
 *     prior written permission.                                       *
 *                                                                     *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND              *
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,         *
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES               *
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE             *
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER               *
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 * Contact: Paul Mineiro <paul@mineiro.com>                            *
 *=====================================================================*/

#ifndef __BLOCKOPT_H__
#define __BLOCKOPT_H__

#include "distribution.h"
#include "rating.h"

#include <stdbool.h>
#include <stdint.h>

float
blockopt (uint64_t                              t,
          float                                 eta,
          float                                 rho,
          uint64_t*                             last_t,
          unsigned int                          n_workers,
          float*                                dloga,
          float*                                dc,
          float*                                dd,
          unsigned int                          n_items,
          float*                                loga,
          float*                                gamma,
          unsigned int                          rank,
          float*                                logbeta,
          float*                                c,
          unsigned int                          n_labels,
          float*                                d,
          float*                                pz,
          const float*                          logpriorz,
          int                                   clamp,
          const Rating*                         ratings,
          unsigned int                          n_ratings,
          const ParameterizedNormalDistribution* priorloga,
          const Distribution*                   priorlogbeta,
          const Distribution*                   priorc,
          const Distribution*                   priord,
          bool                                  test_only);

void
finalize (uint64_t                              t,
          float                                 eta,
          float                                 rho,
          uint64_t*                             last_t,
          unsigned int                          n_workers,
          unsigned int                          n_items,
          float*                                loga,
          float*                                gamma,
          unsigned int                          rank,
          const ParameterizedNormalDistribution* priorloga);

#endif /* __BLOCKOPT_H__ */
